Home / 71,761,133.35-107,641,700.03-67,981,997.35

Finding the Fourth Proportional to 71,761,133.35, 107,641,700.03 and 67,981,997.35

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Solution

The fourth proportional to 71,761,133.35, 107,641,700.03 and 67,981,997.35 is: 101,972,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,761,133.35 : 107,641,700.03 = 67,981,997.35 : x
  2. Step 2: Convert to fraction form
    71,761,133.35/107,641,700.03 = 67,981,997.35/x
  3. Step 3: Cross multiply
    71,761,133.35x = 107,641,700.03 × 67,981,997.35
  4. Step 4: Simplify right side
    71,761,133.35x = 7,317,697,765,849,045
  5. Step 5: Solve for x
    x = 7,317,697,765,849,045/71,761,133.35
  6. Step 6: Final answer
    x = 101,972,996.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.